Arm-chair



FIG. 1 is a front perspective view of an arm-chair showing my design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view; and

FIG. 4 is a rear elevational view thereof.

The side not shown is a mirror image of the side shown.

The ornamental design for an arm-chair, as shown and described.